Table 4 Iron physiological requirements by formula calculation
group | n | age | weight (kg) | BMI (kg/m2) | iron physiological requirement (mg/d) | iron physiological requirements adjusted by weight (μg.kg− 1.d− 1) |
|---|---|---|---|---|---|---|
1 | 6 | 32.50 ± 3.02 | 76.54 ± 10.58 | 30.00 ± 4.35 | 1.74 ± 0.64 | 22.46 ± 7.33 |
2 | 15 | 30.54 ± 4.88 | 60.35 ± 10.15 | 23.99 ± 3.93 | 1.50 ± 0.46 | 24.42 ± 8.08 |
total | 21 | 31.16 ± 4.39 | 64.87 ± 12.79 | 25.67 ± 4.95 | 1.55 ± 0.52 | 23.63 ± 7.87 |
t | – | 0.901 | 3.265 | 3.080 | 0.929 | −0.515 |
P | – | 0.380 | 0.004 | 0.006 | 0.365 | 0.612 |